DrawState()関数のコールバック関数
Function DrawStateProc (ByVal hDC As Long, ByVal lData As Long, _
ByVal wData As Long, ByVal cx As Long, ByVal cy As Long) As Long
Function DrawStateProc (ByVal hDC As Integer, ByVal lData As Integer, _
ByVal wData As Integer, ByVal cx As Integer, ByVal cy As Integer) As Integer
BOOL CALLBACK DrawStateProc(
HDC hdc,
LPARAM lData,
WPARAM wData,
int cx,
int cy
);
引数
hDC
描画先のデバイスコンテキストのハンドルlData
DrawState()関数のlDataに設定した値wData
同、wDataの値cx
同、cxの値cy
同、cyの値戻り値
正常終了のとき 1
エラーのとき 0