说明:地理信息系统,基于VB开发,实现地图放大,漫游-Dim i As Integer
For i = 0 To Map1.Layers.Count- 1
If Map1.Layer(i).LayerType = moMapLayer Then
If Map1.Layer(i).shapeType = moPoint Then
MsgBook "Layer number" & i & "is a map layer and c <cj> 在 2025-05-13 上传
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说明:C函数:1.显示鼠标;
2.单击鼠标左或右键后,传递鼠标坐标并返回鼠标键值-C function: 1. Show the mouse 2. Click the mouse left or right, the transfer and return the mouse coordinates of the mouse key <徐军杰> 在 2025-05-13 上传
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说明:The purpose of this chapter is to familiarize the reader with the basic propagation
characteristics that describe various wireless communication channels, such as
terrestrial, atmospheric, and ionospheric for VHF to <jafar> 在 2025-05-13 上传
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说明:展示一些基本的程序设计思想,有助于学习编程,同时也说明了关于栈的知识。-Demonstrate some basic programming ideas to help learning programming, but also provides information on the stack of knowledge. <刘传邦> 在 2025-05-13 上传
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