This control interface allows direct graphical device interface (GDI) access to an area on the faceplate.
Method |
Description |
| IASCanvas::ClipAndCommit | Sends the current contents of the device context (DC) to the screen while clipping against the supplied region. |
| IASCanvas::Commit | Sends the current contents of the device context (DC) to the screen. |
| IASCanvas::CommitAt | Sends a selected rectangle of the current off-screen bitmap to the screen. |
| IASCanvas::CommitFrom | Maps and sends the contents of an off-screen bitmap, starting at the specified coordinates, to the upper-left corner of a control. |
| IASCanvas::get_AutoCommit | Enables you to determine if the control is in the auto-commit mode and to determine the coordinates of the starting point for the off-screen bitmap from which auto-commit blits.. |
| IASCanvas::GetDC | Gets a handle to the device context for a control, or creates a compatible off-screen bitmap and gets the device context of that bitmap. |
| IASCanvas::put_AutoCommit | Sets the auto-commit mode for a control and sets the coordinates of the starting point for an off-screen bitmap from which auto-commit blits. |
The IASCanvas interface, which has a global unique identifier equal to IID_ASCANVAS, extends the IASControl interface. The canvas control has a programmatic identifier equal to APC_Canvas.