Delphi中下段代码啥意思啊?请帮忙解释下呗
ifKey=VK_RETURNthenbeginifDBGridEh1.SelectedField=rbbStepNothenbeginifnotrbbStepNo.Is...
if Key = VK_RETURN then
begin
if DBGridEh1.SelectedField = rbbStepNo then
begin
if not rbbStepNo.IsNull then
postmessage(activecontrol.handle, wm_keydown, vk_tab, 0);
end
else
postmessage(activecontrol.handle, wm_keydown, vk_tab, 0);
end; 展开
begin
if DBGridEh1.SelectedField = rbbStepNo then
begin
if not rbbStepNo.IsNull then
postmessage(activecontrol.handle, wm_keydown, vk_tab, 0);
end
else
postmessage(activecontrol.handle, wm_keydown, vk_tab, 0);
end; 展开
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