2.2.6.8 DeviceContext

1 Name
2 Remark
3 Hierarchy
4 Examples
5 Header to Include
6 Reference
7 Members

Name

DeviceContext

Remark

The DeviceContext class defines a class of device-context objects.

Hierarchy

DeviceContext

Examples

EX1

int DeviceContext_ex1()
{
    Page pb;
    pb = Project.Pages(); // Get the project's active page
    if( pb.IsValid() )
    {
        Window    myWindow = pb.GetWindow();
        DeviceContext myDC = myWindow.GetDC();
        int nPixels = myDC.GetDeviceCaps(LOGPIXELSX);
    }
    return 1;
}

Header to Include

origin.h

Reference

Members

Name	Brief	Example
~DeviceContext	Reconstruct a DeviceContext object.
Attach	Use hDC set internal hDC value.	Examples
Detach	Return internal hDC value of class and set internal hDC to NULL	Examples
DeviceContext	Default constructor for a DeviceContext object.	Examples
GetDeviceCaps	This method retrieves a wide range of device-specific information about the display device.	Examples
GetTextExtent	Computes the width and height of a line of text on the attribute device context using the current font to determine the dimensions.	Examples