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MFC Dialog中嵌入View、动态创建View的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC Dialog中嵌入View、动态创建View的方法1、OnInitDialog是CDialog的函数，像CWnd等没有的话可以放在构造函数中，然后在OnPaint()函数中改变大小并显示视图。
2、OnInitialUpdate：使用MDI框架创建视图时会自动被框架调用，这里的View是自...
Abort makefile if variable not set
... all have non-empty values,
# die with an error otherwise.
#
# Params:
# 1. Variable name(s) to test.
# 2. (optional) Error message to print.
check_defined = \
$(strip $(foreach 1,$1, \
$(call __check_defined,$1,$(strip $(value 2)))))
__check_defined = \
$(if $(value $1),, \
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Are PostgreSQL column names case-sensitive?
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edited Oct 10 '19 at 14:32
answered Jan 2 '14 at 9:53
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ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...would be smart to encapsulate ADO.NET functionality into a DB-Class(me too 10 years ago). Mostly they decide to use static/shared objects since it seems to be faster than to create a new object for any action.
That is neither a good idea in terms of peformance nor in terms of fail-safety.
Don't po...
Can you add new statements to Python's syntax?
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How do you list all triggers in a MySQL database?
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The command for listing all triggers is:
show triggers;
or you can access the INFORMATION_S...
Difference between adjustResize and adjustPan in android?
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edited Jun 20 at 9:12
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answered Jul 1 '13 at 17:47
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Which is better: … or …
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Do you need a type attribute at all? If you're using HTML5, no. Otherwise, yes. HTML 4.01 and ...
How to vertically align into the center of the content of a div with defined width/height?
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I have researched this a little and from what I have found you have four options:
Version 1: ...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
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Norman RamseyNorman Ramsey
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