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I dont understand your purpose do you want for example cyna/orange/red/purple and....?
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The colourref is code this way: the last significant byte is for red, the middle byte is for green, and so on.
So it is logical that you get these values:
Red:0x0000FF if you translate that in decimal it makes 255.
Green: 0x00FE00 equal to 65024 in decimal
Blue: 0xFE0000 equal to 16646144 in decimal
What did you expect as a result ??
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i expected each value should be 255 onley.ok thanks for ur explanation.
now i want to display the name of that colour than that of values.what i have to do?
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ramanand_bulusu wrote: i expected each value should be 255 onley...now i want to display the name of that colour than that of values.what i have to do?
If the red, green, and blue values are all 255, then the name of that color is white.
"Money talks. When my money starts to talk, I get a bill to shut it up." - Frank
"Judge not by the eye but by the heart." - Native American Proverb
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DavidCrow wrote: If the red, green, and blue values are all 255, then the name of that color is white.
so, how could i solve my problem in order to display the name of the colour
on window
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You have to do it yourself. As I said, there is no name associated with COLOURREF (it is just a number). If you have only Red (0x0000FF), Green (0x00FF00) and Blue (0xFF0000) you can check the color and display the name if it matches:
if (m_Colour&0x0000FF)
{
}
if (m_Colour&0x00FF00)
{
}
if (m_Colour&0xFF0000)
{
}
It's not very elegant but you requirement is... quite 'strange'
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if( m_colour == GREEN )
{
str2 = "GREEN";
}
.. fill in the rest ..
pDC->TextOut(400,10,"COLOUR:"+str2);
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use %ld in format function , COLORREF is long int .
regards
krishnan
If u can Dream... U can do it
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How to initialize a variable array in a class? it should be static defined?
class{
...
char array[] = "asdhajsdjasgdj";
...
}
9ine
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9ine wrote: How to initialize a variable array in a class?
Use member initialization list.
But in above case varaible is array, so cant use member initialization list. In constructor body you can initialize(re) it.
class A
{
int i;
char array[1];
public:
A():i(0)
{
array[0]=0;
}
};
9ine wrote: it should be static defined?
Not necessary.
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in C++ (by opposition to C# or java), almost all the members should be initialized in the constructor. the only exception are static members, which init should be done outside of the class definition.
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In general, you would initialize member variables as part of the Constructor (either in the implicit parameter list, or in the constructor). For the example you give, you may consider writing it the following way:
class MyClass
{
public:
MyClass() {}
~MyClass() {}
static const char* ms_MyString;
};
const char* MyClass::ms_MyString = "0123456789";
This gives you a single copy of the string regardless of the number of objects of this type you have. It will remain constant (that is, you can't change it), and it will remain in the same location in memory for the entire lifetime of your application.
If you need to have an array that you can change, you would initialize it in the constructor:
class MyClass
{
public:
MyClass() : m_MyString(0) {memset(m_MyOtherString, 0, 100);}
~MyClass() {}
char* m_MyString;
char m_MyOtherString[100];
};
If you decide to become a software engineer, you are signing up to have a 1/2" piece of silicon tell you exactly how stupid you really are for 8 hours a day, 5 days a week
Zac
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The file list view doesnt change on changing the file type using CFileDialog in my applicatio.But in all other cases it works well.What will be the reason for that?
chandana
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Can you post the string you provided as argument for the filter ?
Which OS do you have ?
chands wrote: But in all other cases it works well
What "other cases" do you mean ?
~RaGE();
I think words like 'destiny' are a way of trying to find order where none exists. - Christian Graus
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I tried the same code in a sample application,it works well there.
The problem exists in this particular application alone i think.
code:
CString szFilter = "Bitmap Files (*.bmp)|*.bmp|AVI Files(*.AVI)|*.AVI|All Files(*.*)|*.*||";
CFileDialog FileSelect( TRUE, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT| OFN_ALLOWMULTISELECT |OFN_EXPLORER , szFilter, NULL );
FileSelect.m_ofn.lpstrTitle = L"FileBrowse";
int nReturn = FileSelect.DoModal();
My Os - Winows XP
chandana
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Whats problem with this code?
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Just tried your code (commented out the title change to FileBrowse because it did not compile), and it works like a charm. It must be another problem. What bugs me is that I already had that problem, but cannot remember what it was...
~RaGE();
I think words like 'destiny' are a way of trying to find order where none exists. - Christian Graus
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Have you supplied some filter's on the file dialog that you are opening?
Somethings seem HARD to do, until we know how to do them.
_AnShUmAn_
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How to convert the COLOURREF into the String type.in order to display the selecting colour in the window useing pDC->TextOut();
ramanand
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Use GetRValue(), GetGValue(), GetBValue() functions
-- modified at 6:39 Wednesday 23rd August, 2006
Regard's
Dhana
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<br />
COLORREF color=RGB(255,120,200);<br />
CString Format;<br />
Format.Format("Red=%d, Green=%d, Blue=%d", GetRValue(color),GetGValue(color),GetBValue(color));<br />
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How to find out whether a register key is present in the registry or not?
Thank you.
KIRAN PINJARLA
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Just try opening it with RegOpenKey - this will fail if the key isn't present. If you need to check for a particular value, use RegQueryValueEx which will also fail if the value isn't present.
For more sophisticated applications you can recursively enumerate the registry using RegEnumKeyEx and RegEnumValue, but that shouldn't be necessary if you just want to check a single key.
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Thank you very much matt.
KIRAN PINJARLA
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