Pixels that should be drawn are black and pixels that should let the background show through are white. The program's picMask PictureBox contains a mask of the image to be dragged. This program lets the user either drag an image or use the arrow keys to move an image. In the KeyUp event handler, clear m_Dx and m_Dy appropriately. In the KeyDown event handler, set m_Dx or m_Dy values to indicate the direction of movement and enable a timer. Let the user drag a picture with the mouse or move it with the arrow keys VB Helper: HowTo: Let the user drag a picture with the mouse or move it with the arrow keys
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |