2011/4/19 Miguel A. Risco <[email protected]>: > Hi All, I found a possible Bug in TAChart component. Lazarus v0.9.30.1 > SVN:3056 on Windows 7 x64 > > Create a Project with a TChart and TButton controls, add a TLineseries and > TUserDefinedChartSource with some points, select the last one as source for > the serie. Define a Var array of real and assign values to the array on the > Tbutton onclick event. Populate the AItem values with the data in the array. > Sometimes when I zoom the chart the serie is not redrawing. (The example > project is not attached because size limit of the message). Make a zoom on > the second point [0.1,0.5] but without include the zero Y axis value, the > serie is not drawing but if the zero level is included in the zoom then the > serie is drawing correctly)
I can not reproduce on WindowsXP with Lazarus trunk. I am not sure what problem did you have with the attachment -- it should be very small. I have created an example project for you -- do you see the issue with it? -- Alexander S. Klenin
userdefseries_zoom_test.7z
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