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| private:
Bitmap^ image1;
void Button1_Click( System::Object^ /*sender*/, System::EventArgs^ /*e*/ )
{
try
{
// Retrieve the image.
image1 = gcnew Bitmap( "C:\\Documents and Settings\\All Users\\"
"Documents\\My Music\\music.bmp",true );
int x;
int y;
// Loop through the images pixels to reset color.
for ( x = 0; x < image1->Width; x++ )
{
for ( y = 0; y < image1->Height; y++ )
{
Color pixelColor = image1->GetPixel( x, y );
Color newColor = Color::FromArgb( pixelColor.R, 0, 0 );
image1->SetPixel( x, y, newColor );
}
}
// Set the PictureBox to display the image.
PictureBox1->Image = image1;
// Display the pixel format in Label1.
Label1->Text = String::Format( "Pixel format: {0}", image1->PixelFormat );
}
catch ( ArgumentException^ )
{
MessageBox::Show( "There was an error."
"Check the path to the image file." );
}
} |
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